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Benchmark 1500DF - 2000DF Boilers

CHAPTER 7 – MAINTENANCE

OMM-0098_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 91 of 196

GF-144 Ph.: 800-526-0288 04/01/2014

CHAPTER 7. MAINTENANCE

7.1 MAINTENANCE SCHEDULE

The unit requires regular routine maintenance to keep up efficiency and reliability. For best

operation and life of the unit, the following routine maintenance procedures should be performed

in the time periods specified in Table 7-1. For a complete inspection check list see ASME CSD-

1 chart.

In order to perform the maintenance tasks specified in Table 7-1, the following maintenance kits

are available through your local AERCO Sales Representative:

• 12 Month Maintenance Kit, Part No. 58025-01

• 24-Month Waterside/Fireside Inspection Kit, Part No. 58025-13 (See NOTE below)

NOTE:

The 24-Month Waterside/Fireside Inspection Kit also includes the items

contained in the Annual Maintenance Kit (58025-01). Therefore, only Kit

Part No. 58025-13 is required when performing the waterside/fireside

inspections. Refer to Appendix L for recommended spare

TO AVOID PERSONAL INJURY, PRIOR TO SERVICING ENSURE THAT

THE FOLLOWING GUIDELINES ARE STRICTLY OBSERVED:

• DISCONNECT THE AC SUPPLY BY TURNING OFF THE SERVICE

SWITCH AND AC SUPPLY CIRCUIT BREAKER.

• SHUT OFF THE GAS SUPPLY AT THE MANUAL SHUT-OFF VALVE

PROVIDED WITH THE UNIT

• ALLOW THE UNIT TO COOL TO A SAFE WATER TEMPERATURE

TO PREVENT BURNING OR SCALDING

Table 7-1: Maintenance Schedule

Section Item 6 Mos. 12 Mos. 24 Mos.

Labor

Time

7.2

Igniter-Injector

(66013)

*Inspect Inspect Replace 15 mins.

7.3

Flame Detector

(66020)

*Inspect Inspect Replace 15 mins.

7.4

Sensor

(61026)

*Inspect Inspect 15 mins.

4.3

Combustion

Calibration

*Check Check 1 hr.

7.5

Testing of Safety

Devices

See ASME CSD-1

Chart

45 mins.

7.6

Burner

Inspect

2 hrs.

7.7

Condensate

Drain Trap

*Inspect

Inspect, Clean &

Replace Gaskets

Inspect, Clean &

Replace Gaskets

30 mins.

7.8

Air Filter (59138) Clean Replace 15 mins.

* Only performed after initial 6 month period after initial startup.

WARNING